How to convert bars to PSI
To convert bars to PSI, multiply the value by the conversion factor 14.50377377. To go the other way, multiply by 0.0689475729 (or divide by 14.50377377).
Worked example: 30 bar to psi
- Write the value: 30 bar
- Multiply by 14.50377377: 30 × 14.50377377
- Result: 435.113 psi
Bar to PSI conversion table
Quick reference values, rounded to 6 significant digits.
| Bar (bar) | PSI (psi) |
|---|---|
| 0.1 bar | 1.45038 psi |
| 0.25 bar | 3.62594 psi |
| 0.5 bar | 7.25189 psi |
| 1 bar | 14.5038 psi |
| 2 bar | 29.0075 psi |
| 3 bar | 43.5113 psi |
| 4 bar | 58.0151 psi |
| 5 bar | 72.5189 psi |
| 6 bar | 87.0226 psi |
| 7 bar | 101.526 psi |
| 8 bar | 116.03 psi |
| 9 bar | 130.534 psi |
| 10 bar | 145.038 psi |
| 12 bar | 174.045 psi |
| 15 bar | 217.557 psi |
| 20 bar | 290.075 psi |
| 25 bar | 362.594 psi |
| 30 bar | 435.113 psi |
| 40 bar | 580.151 psi |
| 50 bar | 725.189 psi |
| 75 bar | 1,087.78 psi |
| 100 bar | 1,450.38 psi |
| 250 bar | 3,625.94 psi |
| 500 bar | 7,251.89 psi |
| 1,000 bar | 14,503.77 psi |
PSI to Bar
| psi | bar |
|---|---|
| 1 psi | 0.0689476 bar |
| 5 psi | 0.344738 bar |
| 10 psi | 0.689476 bar |
| 50 psi | 3.44738 bar |
| 100 psi | 6.89476 bar |
1 Bar in other pressure units
About Bar and PSI
What is a bar (bar)?
One bar equals 100,000 Pa, close to atmospheric pressure at sea level.
What is a psi (psi)?
Pounds per square inch is used for tyre pressure and gas cylinders.
Where bar to psi conversion is used
Pressure conversions are needed for tyre pressure, weather, gas cylinders, medical devices and engineering. Converting between bars and PSI is especially common when you compare products, read foreign specifications, or fill in forms that expect a specific unit.
Need every unit at once? Use the full Pressure Converter.
Frequently asked questions
How many PSI are in 1 bar?
1 Bar equals 14.5038 psi.
How do I convert bars to PSI?
Multiply the number of bars by 14.50377377. For example, 30 bar × 14.50377377 = 435.113 psi.
What is 30 bar in psi?
30 bar = 435.113 psi.
How many bars are in 1 psi?
1 PSI equals 0.0689476 bar. Use the PSI to Bar converter for the reverse direction.
Is this Bar to PSI converter accurate?
Yes. It uses exact internationally defined conversion factors, calculated with full floating-point precision. Results are displayed rounded for readability.